17. In a random sample of n=500 vehicles,there were x=120 SUVS.What is the test statistic for testing Ho: p= 0.25 versus Ha :p+ 0.25? A.0.24 B.0.3015 C. – 0.5164 D. – 1.1926 18. A study of the lives of water canteens of soldiers in a desert region yields a sample average 4.34 years. The researchers believe that the average life of such canteens is 4.9 years. They test this against the hypothesis that desert conditions decrease the life of the canteen. Write down the hypotheses for this study.
17. In a random sample of n=500 vehicles,there were x=120 SUVS.What is the test statistic for testing Ho: p= 0.25 versus Ha :p+ 0.25? A.0.24 B.0.3015 C. – 0.5164 D. – 1.1926 18. A study of the lives of water canteens of soldiers in a desert region yields a sample average 4.34 years. The researchers believe that the average life of such canteens is 4.9 years. They test this against the hypothesis that desert conditions decrease the life of the canteen. Write down the hypotheses for this study.
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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